



The 140CRA21110C is a Digital Input/Output (DIO) drop interface module designed for the Modicon Quantum industrial automation platform. It provides a reliable and robust interface between field‑level digital I/O devices and the Quantum PLC backplane, enabling efficient signal exchange in distributed control architectures. This module supports universal AC supply, protective diagnostics, and standardized communications, making it a solid choice for system integrators and maintenance engineers working on mid‑ to large‑scale automation installations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | DIO Drop Interface Module |
| Application Platform | Modicon Quantum |
| Number of Ports | 1 Single Port |
| Rated Supply Voltage | 115–230 V AC |
| Supply Voltage Limits | 85–276 V AC |
| Supply Frequency | 47–63 Hz |
| Maximum Supply Current | 0.2 A @ 115 V / 0.4 A @ 230 V |
| Inrush Current | 10 A @ 115 V / 20 A @ 230 V |
| Rated Power | 50 VA |
| Output Voltage | 5.1 V DC |
| Nominal Output Current | 3 A |
| Short‑Circuit Protection | Built‑in |
| Overvoltage Protection | Built‑in |
| I/O Words | 30 Inputs / 32 Outputs |
| Diagnostics | Startup and Run‑Time Checks |
| Power Dissipation | Approx. 11 W |
| Connection Type | 7‑pole Terminal Block |
| Typical Backplane Sizes | 2, 3, 4, 6, 10, 16 positions |
| Operating Temperature Range | 0 °C to 60 °C |
| Dimensions (Approx.) | 155 × 110 × 45 mm (Standard Quantum Module Form‑Factor) |
| Weight | Approx. 0.70 kg |
The module’s design ensures dependable digital signal interfacing for both discrete inputs and outputs in industrial automation environments.